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TDA7433
BASIC FUNCTION AUDIO PROCESSOR
TWO STEREO AND ONE MONO INPUTS CONTROLLED MUTE FUNCTION (SOFTWARE AND HARDWARE) VOLUME CONTROL IN 1dB STEP FOUR SPEAKER ATTENUATORS: – Independentattenuation control – Independentmute function ALL FUNCTIONS PROGRAMMABLE VIA I2CBUS DESCRIPTION The TDA7433 is a volume, tone (bass and treble) balance (Left/Right) processor for quality audio applications in car radio and Hi-Fi systems.
Control is accomplished by serial bus microprocessor interface.
The AC signal setting is obtained by resistor networks and switches combined with operational
amplifiers.
BLOCK DIAGRAM
4.
7K 100nF BINL 10 6 3 MUX VOL BASS TREBLE 100nF BOUTL 9 2.
7nF
SO20 ORDERING NUMBER: TD...